[Feat] : add source to actor fields (#18118)

fixes #18099 

Simple implementation of the matchingSourceValues to be searched in the
ACTOR case in turnRecordFilterIntoRecordGqlOperationFilter

<img width="1239" height="494" alt="Screenshot 2026-02-20 at 5 21 14 PM"
src="https://github.com/user-attachments/assets/20ee076e-dccd-4747-a1ab-38d649f6591e"
/>

---------

Co-authored-by: Arun kumar <arunkumar@Aruns-MacBook-Air.local>
Co-authored-by: Lucas Bordeau <bordeau.lucas@gmail.com>

packages/twenty-server/src/engine/twenty-orm/utils/is-record-matching-rls-row-level-permission-predicate.util.ts

@@ -374,6 +374,13 @@ export const isRecordMatchingRLSRowLevelPermissionPredicate = ({
       case FieldMetadataType.ACTOR: {
         const actorFilter = filterValue as ActorFilter;
 
+        if (isDefined(actorFilter.source)) {
+          return isMatchingSelectFilter({
+            selectFilter: actorFilter.source,
+            value: recordFieldValue.source,
+          });
+        }
+
         return (
           actorFilter.name === undefined ||
           isMatchingStringFilter({